/** * ispresizer_config_size - Configures input and output image size. * @pipe: Resizer data path parameters. * * Configures the appropriate values stored in the isp_res structure in the * resizer registers. * * Returns 0 if successful, or -EINVAL if passed values haven't been verified * with ispresizer_try_size() previously. **/ int ispresizer_s_pipeline(struct isp_res_device *isp_res, struct isp_node *pipe) { struct device *dev = to_device(isp_res); int bpp = ISP_BYTES_PER_PIXEL; ispresizer_set_source(isp_res, pipe->in.path); ispresizer_set_intype(isp_res, pipe->in.path); ispresizer_set_start_phase(dev, NULL); ispresizer_set_luma_enhance(dev, NULL); if (pipe->in.image.pixelformat == V4L2_PIX_FMT_YUYV) ispresizer_config_ycpos(isp_res, 1); else ispresizer_config_ycpos(isp_res, 0); ispresizer_try_pipeline(isp_res, pipe); ispresizer_set_ratio(dev, isp_res->h_resz, isp_res->v_resz); ispresizer_set_coeffs(dev, NULL, isp_res->h_resz, isp_res->v_resz); /* Switch filter, releated to up/down scale */ if (ispresizer_is_upscale(pipe)) ispresizer_enable_cbilin(isp_res, 1); else ispresizer_enable_cbilin(isp_res, 0); /* Set input and output size */ ispresizer_set_input_size(dev, isp_res->phy_rect.width, isp_res->phy_rect.height); ispresizer_set_output_size(dev, pipe->out.image.width, pipe->out.image.height); /* Set input address and line offset address */ if (pipe->in.path != RSZ_OTFLY_YUV) { /* Set the input address, plus calculated crop offset */ ispresizer_set_inaddr(isp_res, isp_res->in_buff_addr, pipe); /* Set the input line offset/length */ ispresizer_set_in_offset(isp_res, pipe->in.image.bytesperline); } else { /* Set the input address.*/ ispresizer_set_inaddr(isp_res, 0, NULL); /* Set the starting pixel offset */ ispresizer_set_start(dev, isp_res->phy_rect.left * bpp, isp_res->phy_rect.top); ispresizer_set_in_offset(isp_res, 0); } /* Set output line offset */ ispresizer_set_out_offset(isp_res, pipe->out.image.bytesperline); return 0; }
/** * ispresizer_config_datapath - Specifies which input to use in resizer module * @input: Indicates the module that gives the image to resizer. * * Sets up the default resizer configuration according to the arguments. * * Returns 0 if successful, or -1 if an unsupported input was requested. **/ int ispresizer_config_datapath(enum ispresizer_input input) { u32 cnt = 0; DPRINTK_ISPRESZ("ispresizer_config_datapath()+\n"); ispres_obj.resinput = input; switch (input) { case RSZ_OTFLY_YUV: cnt &= ~ISPRSZ_CNT_INPTYP; cnt &= ~ISPRSZ_CNT_INPSRC; ispresizer_set_inaddr(0); ispresizer_config_inlineoffset(0); break; case RSZ_MEM_YUV: cnt |= ISPRSZ_CNT_INPSRC; cnt &= ~ISPRSZ_CNT_INPTYP; break; case RSZ_MEM_COL8: cnt |= ISPRSZ_CNT_INPSRC; cnt |= ISPRSZ_CNT_INPTYP; break; default: DPRINTK_ISPRESZ( "ISP_ERR : Wrong Input\n"); return -1; } isp_reg_or(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, cnt); //ispresizer_config_ycpos(0); ispresizer_config_ycpos(1); ispresizer_config_filter_coef(&ispreszdefcoef); ispresizer_enable_cbilin(0); ispresizer_config_luma_enhance(&ispreszdefaultyenh); DPRINTK_ISPRESZ("ispresizer_config_datapath()-\n"); return 0; }
/** * ispresizer_applycrop - Apply crop to input image. **/ void ispresizer_applycrop(struct isp_res_device *isp_res) { struct isp_device *isp = to_isp_device(isp_res); struct isp_node *pipe = &isp->pipeline.rsz; int bpp = ISP_BYTES_PER_PIXEL; if (!isp_res->applycrop) return; ispresizer_set_ratio(isp->dev, isp_res->h_resz, isp_res->v_resz); ispresizer_set_coeffs(isp->dev, NULL, isp_res->h_resz, isp_res->v_resz); /* Switch filter, releated to up/down scale */ if (ispresizer_is_upscale(pipe)) ispresizer_enable_cbilin(isp_res, 1); else ispresizer_enable_cbilin(isp_res, 0); /* Set input and output size */ ispresizer_set_input_size(isp->dev, isp_res->phy_rect.width, isp_res->phy_rect.height); ispresizer_set_output_size(isp->dev, pipe->out.image.width, pipe->out.image.height); /* Set input address and line offset address */ if (pipe->in.path != RSZ_OTFLY_YUV) { /* Set the input address, plus calculated crop offset */ ispresizer_set_inaddr(isp_res, isp_res->in_buff_addr, pipe); /* Set the input line offset/length */ ispresizer_set_in_offset(isp_res, pipe->in.image.bytesperline); } else { /* Set the input address.*/ ispresizer_set_inaddr(isp_res, 0, NULL); /* Set the starting pixel offset */ ispresizer_set_start(isp->dev, isp_res->phy_rect.left * bpp, isp_res->phy_rect.top); ispresizer_set_in_offset(isp_res, 0); } /* Set output line offset */ ispresizer_set_out_offset(isp_res, pipe->out.image.bytesperline); isp_res->applycrop = 0; }
/** * ispresizer_config_datapath - Specifies which input to use in resizer module * @input: Indicates the module that gives the image to resizer. * * Sets up the default resizer configuration according to the arguments. * * Returns 0 if successful, or -EINVAL if an unsupported input was requested. **/ int ispresizer_config_datapath(enum ispresizer_input input) { u32 cnt = 0; DPRINTK_ISPRESZ("ispresizer_config_datapath()+\n"); ispres_obj.resinput = input; switch (input) { case RSZ_OTFLY_YUV: cnt &= ~ISPRSZ_CNT_INPTYP; cnt &= ~ISPRSZ_CNT_INPSRC; ispresizer_set_inaddr(0); ispresizer_config_inlineoffset(0); break; case RSZ_MEM_YUV: cnt |= ISPRSZ_CNT_INPSRC; cnt &= ~ISPRSZ_CNT_INPTYP; break; case RSZ_MEM_COL8: cnt |= ISPRSZ_CNT_INPSRC; cnt |= ISPRSZ_CNT_INPTYP; break; default: printk(KERN_ERR "ISP_ERR : Wrong Input\n"); return -EINVAL; } isp_reg_or(OMAP3_ISP_IOMEM_RESZ, ISPRSZ_CNT, cnt); /* Use bilinear interpolation for upsampling per TRM */ if (ispres_obj.outputwidth > ispres_obj.inputwidth) ispresizer_enable_cbilin(1); else ispresizer_enable_cbilin(0); ispresizer_config_ycpos(0); ispresizer_config_filter_coef(&ispreszdefcoef); ispresizer_config_luma_enhance(&ispreszdefaultyenh); DPRINTK_ISPRESZ("ispresizer_config_datapath()-\n"); return 0; }
/** ispdss_begin - Function to be called by DSS when resizing of the input * image buffer is needed * @slot: buffer index where the input image is stored * @output_buffer_index: output buffer index where output of resizer will * be stored * @out_off: The line size in bytes for output buffer. as most probably * this will be VRFB with YUV422 data, it should come 0x2000 as input * @out_phy_add: physical address of the start of output memory area for this * @in_phy_add: physical address of the start of input memory area for this * @in_off:: The line size in bytes for output buffer. * ispdss_begin() takes the input buffer index and output buffer index * to start the process of resizing. after resizing is complete, * the callback function will be called with the argument. * Indexes of the input and output buffers are used so that it is faster * and easier to configure the input and output address for the ISP resizer. * As per the current implementation, DSS uses six VRFB contexts for rotation. * for both input and output buffers index and physical address has been taken * as argument. if this buffer is not already mapped to ISP address space we * use physical address to map it, otherwise only the index is used. **/ int ispdss_begin(struct isp_node *pipe, u32 input_buffer_index, int output_buffer_index, u32 out_off, u32 out_phy_add, u32 in_phy_add, u32 in_off) { unsigned int output_size; struct isp_device *isp = dev_get_drvdata(dev_ctx.isp); struct isp_res_device *isp_res = &isp->isp_res; //LGE_CHANGE_S [[email protected]] 2011_04_22, for improve ISP to get 30fps (OMAPS00236923) u32 speed_val = 0; //LGE_CHANGE_E [[email protected]] 2011_04_22, for improve ISP to get 30fps (OMAPS00236923) //LGE_CHANGE_S [[email protected]] 2011_07_19 Froyo_to_GB struct device *dev = to_device(isp_res); //LGE_CHANGE_E [[email protected]] 2011_07_19 Froyo_to_GB if (output_buffer_index >= dev_ctx.num_video_buffers) { dev_err(dev_ctx.isp, "ouput buffer index is out of range %d", output_buffer_index); return -EINVAL; } if (dev_ctx.config_state != STATE_CONFIGURED) { dev_err(dev_ctx.isp, "State not configured \n"); return -EINVAL; } dev_ctx.tmp_buf_size = PAGE_ALIGN(pipe->out.image.bytesperline * pipe->out.image.height); ispdss_tmp_buf_alloc(dev_ctx.tmp_buf_size); pipe->in.path = RSZ_MEM_YUV; if (ispresizer_s_pipeline(isp_res, pipe) != 0) return -EINVAL; /* If this output buffer has not been mapped till now then map it */ if (!dev_ctx.out_buf_virt_addr[output_buffer_index]) { output_size = pipe->out.image.height * out_off; dev_ctx.out_buf_virt_addr[output_buffer_index] = iommu_kmap(isp->iommu, 0, out_phy_add, output_size, IOMMU_FLAG); if (IS_ERR_VALUE( dev_ctx.out_buf_virt_addr[output_buffer_index])) { dev_err(dev_ctx.isp, "Mapping of output buffer failed" "for index \n"); return -ENOMEM; } } if (!dev_ctx.in_buf_virt_addr[input_buffer_index]) { dev_ctx.in_buf_virt_addr[input_buffer_index] = iommu_kmap(isp->iommu, 0, in_phy_add, in_off, IOMMU_FLAG); if (IS_ERR_VALUE( dev_ctx.in_buf_virt_addr[input_buffer_index])) { dev_err(dev_ctx.isp, "Mapping of input buffer failed" "for index \n"); return -ENOMEM; } } if (ispresizer_set_inaddr(isp_res, dev_ctx.in_buf_virt_addr[input_buffer_index], pipe) != 0) return -EINVAL; if (ispresizer_set_out_offset(isp_res, out_off) != 0) return -EINVAL; if (ispresizer_set_outaddr(isp_res, (u32)dev_ctx.out_buf_virt_addr[output_buffer_index]) != 0) return -EINVAL; /* Set ISP callback for the resizing complete even */ if (isp_set_callback(dev_ctx.isp, CBK_RESZ_DONE, ispdss_isr, (void *) NULL, (void *)NULL)) { dev_err(dev_ctx.isp, "No callback for RSZR\n"); return -1; } /* All settings are done.Enable the resizer */ init_completion(&dev_ctx.compl_isr); //LGE_CHANGE_S [[email protected]] 2011_04_22, for improve ISP to get 30fps (OMAPS00236923) // isp_start(dev_ctx.isp); /* Only for 720p case*/ if (use_isp_resizer_decoder){ /*decoder */ speed_val = 0; }else{ /* encoder */ speed_val = 8; } //LGE_CHANGE_S [[email protected]] 2011_07_19 Froyo_to_GB isp_reg_and_or(dev, OMAP3_ISP_IOMEM_SBL, ISPSBL_SDR_REQ_EXP, ~ISPSBL_SDR_REQ_RSZ_EXP_MASK, speed_val << ISPSBL_SDR_REQ_RSZ_EXP_SHIFT); isp_start(dev_ctx.isp); //LGE_CHANGE_E [[email protected]] 2011_07_19 Froyo_to_GB ispresizer_enable(isp_res, 1); /* Wait for resizing complete event */ if (wait_for_completion_interruptible_timeout( &dev_ctx.compl_isr, msecs_to_jiffies(500)) == 0) dev_crit(dev_ctx.isp, "\nTimeout exit from " "wait_for_completion\n"); /* Unset the ISP callback function */ isp_unset_callback(dev_ctx.isp, CBK_RESZ_DONE); return 0; }
int isp_resize_mem_data(struct isp_mem_resize_data *data) { int i; int ret = -1; struct isp_mem_resize_data *presizer_user = \ (struct isp_mem_resize_data *)data; u32 input_buffer_size, output_buffer_size; u32 input_nr_pages, output_nr_pages; struct page **input_pages = NULL; struct page **output_pages = NULL; unsigned long isp_addr_in = 0; unsigned long isp_addr_out = 0; struct isp_mem_resize_data resizer_param; unsigned long timeout; if (presizer_user == NULL) { printk(KERN_ERR "ISP_RESZ_ERR : Invalid user data\n"); return -EINVAL; } memcpy(&resizer_param, presizer_user, \ sizeof(struct isp_mem_resize_data)); DPRINTK_ISPPROC("\nRSZ input(%d-%d) - output(%d-%d)\n", resizer_param.input_width, resizer_param.input_height, resizer_param.output_width, resizer_param.output_height); DPRINTK_ISPPROC("RSZ start(%d-%d) - end(%d-%d)\n", resizer_param.left, resizer_param.top, resizer_param.crop_width, resizer_param.crop_height); if (presizer_user->datain == 0 || presizer_user->dataout == 0) return -EINVAL; ispresizer_enable(0); timeout = jiffies + msecs_to_jiffies(200); while (ispresizer_busy()) { if (time_after(jiffies, timeout)) return -EINVAL; msleep(1); } ispresizer_save_context(); ispresizer_free(); ispresizer_request(); /* set data path before configuring modules. */ ispresizer_config_datapath(RSZ_MEM_YUV, 0); input_buffer_size = ALIGN_TO(presizer_user->input_width* \ presizer_user->input_height*2 , 0x100); input_pages = map_user_memory_to_kernel(presizer_user->datain, input_buffer_size, &input_nr_pages); if (input_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: memory allocation failed\n"); goto exit_cleanup; } output_buffer_size = ALIGN_TO(presizer_user->output_width* \ presizer_user->output_height*2, 0x1000); output_pages = map_user_memory_to_kernel(presizer_user->dataout, output_buffer_size, &output_nr_pages); if (output_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: memory allocation failed\n"); goto exit_cleanup; } for (i = 0; i < output_nr_pages; ++i) flush_dcache_page(output_pages[i]); isp_addr_in = ispmmu_vmap_pages(input_pages, input_nr_pages); if (IS_ERR((void *)isp_addr_in)) { isp_addr_in = 0; ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: isp mmu map failed\n"); goto exit_cleanup; } isp_addr_out = ispmmu_vmap_pages(output_pages, output_nr_pages); if (IS_ERR((void *)isp_addr_out)) { isp_addr_out = 0; ret = -EINVAL; printk(KERN_ERR "ISP_RESZ_ERR: isp mmu map failed\n"); goto exit_cleanup; } if ((resizer_param.left == 0) && (resizer_param.top == 0)) { ret = ispresizer_try_size(&resizer_param.input_width, &resizer_param.input_height, &resizer_param.output_width, &resizer_param.output_height); ret = ispresizer_config_size(resizer_param.input_width, resizer_param.input_height, resizer_param.output_width, resizer_param.output_height); ispresizer_set_inaddr(isp_addr_in); } else { ispresizer_trycrop(resizer_param.left, resizer_param.top, resizer_param.crop_width, resizer_param.crop_height, resizer_param.output_width, resizer_param.output_height); ispresizer_applycrop(); /*pixel alignment in 32bit space, vertical must be 0 per TRM */ isp_reg_writel(((resizer_param.left%16) << ISPRSZ_IN_START_HORZ_ST_SHIFT) | (0 << ISPRSZ_IN_START_VERT_ST_SHIFT), OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START); /* Align input address for cropping, per TRM */ ispresizer_set_inaddr(isp_addr_in + (resizer_param.top*resizer_param.input_width*2) + ((resizer_param.left/16)*32)); } ispresizer_set_inaddr(isp_addr_in); ispresizer_set_outaddr(isp_addr_out); ispresizer_config_ycpos(0); ispresizer_config_inlineoffset( ALIGN_TO(presizer_user->input_width*2, 32)); isp_set_callback(CBK_RESZ_DONE, rsz_isr, (void *) NULL, (void *)NULL); isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_wfc.done = 0; /* start resizer engine. */ ispresizer_enable(1); ret = wait_for_completion_timeout(&isp_wfc, msecs_to_jiffies(1000)); if (!ret) ispresizer_enable(0); timeout = jiffies + msecs_to_jiffies(50); while (ispresizer_busy()) { msleep(5); if (time_after(jiffies, timeout)) { printk(KERN_ERR "ISP_RESZ_ERR: Resizer still busy"); break; } } isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_unset_callback(CBK_RESZ_DONE); ret = 0; exit_cleanup: ispresizer_restore_context(); if (isp_addr_in != 0) ispmmu_vunmap(isp_addr_in); if (isp_addr_out != 0) ispmmu_vunmap(isp_addr_out); if (input_pages != NULL) { unmap_user_memory_from_kernel(input_pages, input_nr_pages); kfree(input_pages); } if (output_pages != NULL) { unmap_user_memory_from_kernel(output_pages, output_nr_pages); kfree(output_pages); } DPRINTK_ISPPROC("resizer exit.\n"); return ret; }
int isp_process_mem_data(struct isp_mem_data *data) { int i; int ret = -1; struct isp_mem_data *ppreview_user = \ (struct isp_mem_data *)data; struct isp_mem_data preview_param; u32 input_buffer_size, output_buffer_size; u32 input_nr_pages, output_nr_pages; struct page **input_pages = NULL; struct page **output_pages = NULL; unsigned long isp_addr_in = 0; unsigned long isp_addr_out = 0; unsigned long isp_addr_tmp = 0; unsigned long timeout; struct isp_mem_resize_data resizer_param; u16 cropadjust = 0; if (ppreview_user == NULL) { printk(KERN_ERR "ISP_PROC_ERR: Invalid user data!\n"); return -EINVAL; } memcpy(&preview_param, ppreview_user, \ sizeof(struct isp_mem_data)); DPRINTK_ISPPROC("input(%d-%d) - output(%d-%d)\n", preview_param.input_width, preview_param.input_height, preview_param.output_width, preview_param.output_height); DPRINTK_ISPPROC("start(%d-%d) - end(%d-%d)\n", preview_param.left, preview_param.top, preview_param.crop_width, preview_param.crop_height); if (ppreview_user->datain == 0 || ppreview_user->dataout == 0) return -EINVAL; isppreview_enable(0); ispresizer_enable(0); timeout = jiffies + msecs_to_jiffies(200); while (isppreview_busy() || ispresizer_busy()) { if (time_after(jiffies, timeout)) return -EINVAL; msleep(1); } isppreview_save_context(); ispresizer_save_context(); isppreview_free(); ispresizer_free(); isppreview_request(); ispresizer_request(); /* set data path before configuring modules. */ isppreview_update_datapath(PRV_RAW_MEM, PREVIEW_MEM); ispresizer_config_datapath(RSZ_MEM_YUV, 0); ret = isppreview_try_size(preview_param.input_width, preview_param.input_height, &preview_param.output_width, &preview_param.output_height); if (ret < 0) goto exit_cleanup; ret = isppreview_config_size(preview_param.input_width, preview_param.input_height, preview_param.output_width, preview_param.output_height); if (ret < 0) goto exit_cleanup; input_buffer_size = ALIGN_TO(ppreview_user->input_width* \ ppreview_user->input_height*2 , 0x100); input_pages = map_user_memory_to_kernel(preview_param.datain, input_buffer_size, &input_nr_pages); if (input_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: memory allocation failed\n"); goto exit_cleanup; } output_buffer_size = ALIGN_TO(ppreview_user->output_width* \ ppreview_user->output_height*2, 0x1000); output_pages = map_user_memory_to_kernel(preview_param.dataout, output_buffer_size, &output_nr_pages); if (output_pages == NULL) { ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: memory allocation failed\n"); goto exit_cleanup; } for (i = 0; i < output_nr_pages; ++i) flush_dcache_page(output_pages[i]); isp_addr_in = ispmmu_vmap_pages(input_pages, input_nr_pages); if (IS_ERR((void *)isp_addr_in)) { isp_addr_in = 0; ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: isp mmu map failed\n"); goto exit_cleanup; } isp_addr_out = ispmmu_vmap_pages(output_pages, output_nr_pages); if (IS_ERR((void *)isp_addr_out)) { isp_addr_out = 0; ret = -EINVAL; printk(KERN_ERR "ISP_PROC_ERR: isp mmu map failed\n"); goto exit_cleanup; } /* This buffer must be allocated and mapped to the ISP MMU previously. */ isp_addr_tmp = isp_tmp_buf_addr(); if (isp_addr_tmp == 0) { printk(KERN_ERR "ISP_PROC_ERR: Invalid isp tmp buffer address!\n"); goto exit_cleanup; } isppreview_config_inlineoffset(ppreview_user->input_width * 2); isppreview_set_inaddr(isp_addr_in); isppreview_set_outaddr(isp_addr_tmp); resizer_param.input_width = preview_param.output_width; resizer_param.input_height = preview_param.output_height; resizer_param.output_width = ppreview_user->output_width; resizer_param.output_height = ppreview_user->output_height; if ((preview_param.left == 0) && (preview_param.top == 0)) { ret = ispresizer_try_size(&resizer_param.input_width, &resizer_param.input_height, &resizer_param.output_width, &resizer_param.output_height); if (ret < 0) goto exit_cleanup; ret = ispresizer_config_size(resizer_param.input_width, resizer_param.input_height, resizer_param.output_width, resizer_param.output_height); if (ret < 0) goto exit_cleanup; ispresizer_set_inaddr(isp_addr_tmp); } else { ispresizer_trycrop(preview_param.left, preview_param.top, preview_param.crop_width, preview_param.crop_height, resizer_param.output_width, resizer_param.output_height); ispresizer_applycrop(); /* account for pixel loss when using crop*/ if ((preview_param.input_height > preview_param.output_height) && (preview_param.top > 16)) cropadjust = 8; else cropadjust = 0; /* pixel alignment in 32bit space, vertical must be 0 per TRM */ isp_reg_writel(((preview_param.left%16) << ISPRSZ_IN_START_HORZ_ST_SHIFT) | (0 << ISPRSZ_IN_START_VERT_ST_SHIFT), OMAP3_ISP_IOMEM_RESZ, ISPRSZ_IN_START); /* Align input address for cropping, per TRM */ ispresizer_set_inaddr(isp_addr_tmp - (resizer_param.input_width*2*cropadjust) + (preview_param.top*resizer_param.input_width*2) + ((preview_param.left/16)*32)); } ispresizer_set_outaddr(isp_addr_out); ispresizer_config_inlineoffset( ALIGN_TO(resizer_param.input_width*2, 32)); if (isp_set_callback(CBK_PREV_DONE, prv_isr, (void *) NULL, (void *)NULL) != 0) { printk(KERN_ERR "ISP_PROC_ERR: Error setting PRV callback.\n"); goto exit_cleanup; } if (isp_set_callback(CBK_RESZ_DONE, rsz_isr, (void *) NULL, (void *)NULL) != 0) { printk(KERN_ERR "ISP_PROC_ERR: Error setting RSZ callback.\n"); goto exit_cleanup; } isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_wfc.done = 0; /* start preview engine. */ isppreview_enable(1); ret = wait_for_completion_timeout(&isp_wfc, msecs_to_jiffies(1000)); if (!ret) { isppreview_enable(0); ispresizer_enable(0); } timeout = jiffies + msecs_to_jiffies(50); while (ispresizer_busy()) { msleep(5); if (time_after(jiffies, timeout)) { printk(KERN_ERR "ISP_RESZ_ERR: Resizer still busy"); break; } } isp_reg_writel(0xFFFFFFFF, OMAP3_ISP_IOMEM_MAIN, ISP_IRQ0STATUS); isp_unset_callback(CBK_PREV_DONE); isp_unset_callback(CBK_RESZ_DONE); exit_cleanup: isppreview_restore_context(); ispresizer_restore_context(); if (isp_addr_in != 0) ispmmu_vunmap(isp_addr_in); if (isp_addr_out != 0) ispmmu_vunmap(isp_addr_out); if (input_pages != NULL) { unmap_user_memory_from_kernel(input_pages, input_nr_pages); kfree(input_pages); } if (output_pages != NULL) { unmap_user_memory_from_kernel(output_pages, output_nr_pages); kfree(output_pages); } DPRINTK_ISPPROC("exit.\n"); return ret; }